66929214 has 24 divisors (see below), whose sum is σ = 147135240. Its totient is φ = 20281360.

The previous prime is 66929207. The next prime is 66929231. The reversal of 66929214 is 41292966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45369 + ... + 46820.

It is an arithmetic number, because the mean of its divisors is an integer number (6130635).

Almost surely, 2^66929214 is an apocalyptic number.

66929214 is an abundant number, since it is smaller than the sum of its proper divisors (80206026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66929214 is a wasteful number, since it uses less digits than its factorization.

66929214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92216 (or 92205 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 66929214 is about 8181.0276860551. The cubic root of 66929214 is about 406.0117244465.

The spelling of 66929214 in words is "sixty-six million, nine hundred twenty-nine thousand, two hundred fourteen".